Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D688437 | Spiral potato piece | David Bruce Walker, Allen J. Neel, Charles F. Dewey, Michael L. Hamann | 2013-08-27 |
| 8435583 | French fry production method with reduced crumb generation | Michael L. Hamann, David N. Gallina, David Bruce Walker, Stephen L. O'Bannon | 2013-05-07 |
| D640036 | Spiral potato piece | David Bruce Walker, Allen J. Neel, Charles F. Dewey, Michael L. Hamann | 2011-06-21 |
| 6895846 | Slicing machine with tapered slicing gate | David Bruce Walker, Richard B. Jensen, Ronald J. Plaisted | 2005-05-24 |
| D492467 | Helical food product | David Bruce Walker | 2004-07-06 |
| 6419973 | Process for preparing corn based french fry strips | Peter Mattson, John K. Fukushima, David Bruce Walker, Antonio Vasquez | 2002-07-16 |